Adjustable wrench



FIG. 1 is a top plan view of an adjustable wrench showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof, the opposite side being a mirror image;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a right end elevational view thereof. 

The ornamental design for an adjustable wrench, as shown and described. 